Troubleshooting

Model W1778 18 Gauge Deep Stapler Kit

Symptom

Possible Cause

Solution

Air leaking at	1. O-rings in trigger valve	1. O-rings must be replaced
trigger valve area.	housing are damaged.	& operation of safety nose
		must be checked.

Air leaking	1. Loose screws in housing.	1. Reseal and tighten screws.
between housing	2. Damaged O-ring.	2. Replace O-ring
and hose.	3. Loose air fitting.	3. Tighten air fitting & use
		teflon tape.

Air leaking	1. Damaged seal.	1. Replace damaged seals.
between housing
and cap.

Tool skips staples	1. Excessive air pressure.	1. Reduce air pressure to
while discharging.		tool.
	2. Air leaks.	2. Reseal and tighten screws
		and fittings.
	3. Dirt in nose.	3. Clean nose.
	4. Dirt or damage prevents	4. Clean magazine and
	staples from moving freely.	inspect/repair damage.
	5. Inadequate air flow to tool.	5. Check fittings, hose,
		compressor, and air
	6. Worn piston O-ring or lack of	pressure.
	lubrication.	6. Replace O-ring and
	7. Damaged trigger valve O-	lubricate.
	rings.	7. Replace trigger valve O-
	8. Worn bumper.	rings.
	9. Cap seal leaking.	8. Replace bumper.
		9. Replace cap seal.

Tool runs slowly	1. Undersized air hose.	1. Use a larger hose.
or has a loss of	2. Stapler is not lubricated.	2. Lubricate stapler.
power.	3. Broken spring in cap	3. Replace spring.
	assembly.
	4. Exhaust port in cap is	4. Clean or replace damaged
	blocked.	internal parts.

Fasteners	1. Staples are the wrong size.	1. Use correct staples.
frequently jam the	2. Staples are bent or dirty.	2. Use undamaged, clean
stapler.		staples.
	3. Magazine or nose screws are	3. Tighten magazine.
	loose.
	4. Driver or driver guide are	4. Replace worn or damaged
	worn or damaged.	parts.

Stapler does not	1. Stapler is not lubricated.	1. Follow lubricating
fire.		instructions.
	2. Staple is jammed in magazine	2. Clear stapler magazine or
	or discharge area.	discharge area.
	3. Piston shaft is damaged.	3. Replace piston shaft.
	4. Air pressure too low.	4. Check/increase air
		pressure.

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